Preparation

Preheat the oven to 325°F. Line the bottom of a 9-inch round springform pan with parchment and grease the sides with olive oil.

In a large bowl combine the ground flax with 1/4 cup plus 1 tablespoon warm water. Stir to combine and set aside to gel. After a few minutes, add the maple syrup, coconut sugar, vanilla, and olive oil and whisk to combine. Add the salt, almond flour, oat flour, all-purpose flour, arrowroot, and baking powder and stir well to combine.